RHSA-2003:022

Vulnerability from csaf_redhat - Published: 2003-01-30 19:35 - Updated: 2025-11-21 17:25
Summary
Red Hat Security Advisory: glibc security update

Notes

Topic
Updated glibc packages are available to fix a buffer overflow in the resolver.
Details
The GNU C library package, glibc, contains standard libraries used by multiple programs on the system. A read buffer overflow vulnerability exists in the glibc resolver code in versions of glibc up to and including 2.2.5. The vulnerability is triggered by DNS packets larger than 1024 bytes and can cause applications to crash. In addition to this, several non-security related bugs have been fixed, the majority for the Itanium (IA64) platform. All Red Hat Linux Advanced Server users are advised to upgrade to these errata packages which contain a patch to correct this vulnerability.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Updated glibc packages are available to fix a buffer overflow in the\nresolver.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The GNU C library package, glibc, contains standard libraries used by\nmultiple programs on the system. \n\nA read buffer overflow vulnerability exists in the glibc resolver code in\nversions of glibc up to and including 2.2.5. The vulnerability is triggered\nby DNS packets larger than 1024 bytes and can cause applications to crash.\n\nIn addition to this, several non-security related bugs have been fixed,\nthe majority for the Itanium (IA64) platform.\n\nAll Red Hat Linux Advanced Server users are advised to upgrade to these\nerrata packages which contain a patch to correct this vulnerability.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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    "references": [
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        "summary": "http://www.kb.cert.org/vuls/id/738331",
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_022.json"
      }
    ],
    "title": "Red Hat Security Advisory: glibc security update",
    "tracking": {
      "current_release_date": "2025-11-21T17:25:25+00:00",
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      "revision_history": [
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                "product": {
                  "name": "Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
                  "product_id": "Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:2.1::as"
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              },
              {
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          "category": "description",
          "text": "The BIND 4 and BIND 8.2.x stub resolver libraries, and other libraries such as glibc 2.2.5 and earlier, libc, and libresolv, use the maximum buffer size instead of the actual size when processing a DNS response, which causes the stub resolvers to read past the actual boundary (\"read buffer overflow\"), allowing remote attackers to cause a denial of service (crash).",
          "title": "Vulnerability description"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616843"
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        {
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        },
        {
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        }
      ],
      "release_date": "2002-10-03T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-01-30T19:35:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network.  To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
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          "category": "impact",
          "details": "Moderate"
        }
      ],
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}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.